@techreport{NBERr0129,
 title = "Effects of the World Economic Crisis on the East European Economies",
 author = "Richard Portes",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Reprint Series",
 number = "129",
 year = "1980",
 month = "December",
 URL = "http://www.nber.org/papers/r0129",
 abstract = {},
}